<div id="advance-on-demo">
  <div>
    <button mat-raised-button color="accent" (click)="startTour()">
      Start tour
    </button>
  </div>
  <button mat-raised-button id="advance-button">
    Click to advance to step 2
  </button>
  <h3 id="step-2">Step 2</h3>
</div>
